(idiomatic) Literally, exactly, following the rules as written.

(calligraphy) A highly calligraphic Western European script style used from approximately 1150.

plural of lettering

plural of red-letter day

alternative form of red letter day

Synonym of sun letter

Synonym of moon letter

plural of solar letter

plural of lunar letter

An explosive device sent through the post, triggered to explode when the letter or packet is opened. / (computing) A virus contained within an email or similar file.